本文推导了拉维娜式行星齿轮变速器的运动特性方程。

This paper derives the motion property equation for Ravigneaux planetary transmission.

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现在推导大致需要约五六分钟。

It's about a five, six minutes derivation.

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而不是我喜欢在课堂上讲推导。

It is not because I favor derivations in class.

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所以我不会写出所有推导过程。

So I won't write out the whole derivation of it.

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我觉得曲线的推导过程，并不是非常复杂。

And I should say the derivation of the curves isn't particularly complicated.

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现在得到第一个推导式。

And I can take now the first derivative of this.

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由此可以推导出：可以学着更幸福。

The implication is that you can learn to feel happier.

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自然法则是从观察中推导出来的。

The law of nature was deduced from observation.

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所以，我们试着从这些式子推导。

So, let's try to figure it out from these formulas.

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用不同方法推导出。

We derived it in a different way.

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从理论上推导了联合功率控制方程。

The joint power control equation was deduced in theory.

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所以你可以推导出你的电池老化。

So you can derive the age of your battery.

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作出了该模型的理论推导和分析。

The theory of the model was given and analysed.

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本文推导了一个锥透镜的光线方程。

The paper derived a light equation for cone-lens.

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现在我们推导这样一个结论。

Well, now let's try it.

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我们已经推导出了加速度,是这个方向。

We know that the acceleration is in this direction. We derived that.

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每个句子都有一个规范推导。

Every sentence has a canonical derivation.

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然后给出输运系数一种新的推导方法。

A new derivation method of transport coefficients is given.

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规则推理从已知事实推导出未知信息；

Rule reasoning can deduce unknown information from known fact.

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现在我们来推导线的能量。

Now let's get the energy for the line.

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我这里将会推导这个式子。

I'll go ahead and cover this up here.

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我们推导链式法则的过程中有一个漏洞。

Our derivation of the chain rule contains one flaw.

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同时推导出其电力线方程和电位线方程。

The force line and potential gradient equation are deduced.

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从而证明该推导是正确的。

Therefore, the derivation was also correct.

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现在我开始推导热力学。

Now, what I want to do is start deriving thermodynamics.

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这是一个关乎网络影视产业链的逻辑推导。

This is a logistic derivation that concerns chain of industry of network movie and TV.

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图3中的数据是根据这一公式推导出来的。

From this formula the data in figure 3 has been developed.

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摄动公式用计算机推导。

The formulae are derived with computer.

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摄动公式用计算机推导。

The formulae are derived with computer.

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